2. 现在进行时
1)现在进行时的构成:Am/is/ are+ v-ing是现在进行时的构成形式
v-ing现在分词的构成:
|
一般情况 |
+ing |
|
以不发音字母e结尾的单词。去e,加ing |
+ing |
|
以辅音字母+y结尾的单词 |
去e+ing |
|
以重读闭音节结尾的单词,末尾只有一个辅音字母时. |
双写词尾字母+ing |
2) 现在进行时的肯定肯定句、否定句、疑问句形式:
|
主 语 |
肯 定 式 |
否 定 式 |
疑 问 式 |
|
第一、二人称和第三人称复数以及名词复数 |
I am driving. He/She/It is working. We/You/They are doing something. |
I am not driving. He/She/It is not working. We/You/They are not doing anything. |
Are you driving? Is he/she/it working? Are you/they doing something? |
3)现在进行时的用法:
动词的时态有很多。初中阶段主要掌握八种:一般现在时、一般过去时、现在进行时、过去进行时、一般将来时、过去将来时、现在完成时、过去完成时。
1.一般现在时
1)一般现在时态的构成:主语是I, we, you, they和名词复数时作谓语的行为动词用原形。主语是he, she , it和名词单数时,作谓语的行为动词的词尾变化如下:
|
一般情况 |
+s |
|
以s, x, ch, sh 或 o结尾 |
+es |
|
以辅音+y结尾 |
去y变i+es |
2)一般现在时态的肯定句、否定句和疑问句形式(以be和like为例):
|
主 语 |
肯 定 式 |
否 定 式 |
疑 问 式 |
|
第一、二人称和第三人称复数以及名词复数 |
I am a student. We/You/ They are students. He/ She is a student. I / We/ You/ They/ like music. Many people like music. |
I am not a student. We/You/ They are not students. He/ She is not a student. I / We/ You/ They/ don’t like music. Many people don’t like music. |
Are you a student. Are you/ they students? Is he/ she a student? Do you/ they like music? Do many people like music? |
3)一般现在时态的用法:
现阶段经常性,习惯性的动作 。例如:
I get up at six every morning.
He plays tennis once a week.
现在的状态 例如:
My mother is a teacher. She teaches English in a school.
客观真理 例如:
The earth goes around the sun.
4)常用于一般现在时态的时间状语:
often usually sometimes always every day never in the morning 等。
例题解析:举一反三,学的更轻松!